The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
A “Sense and Shoot” Approach for Photocatalytic Degradation of Organic Contaminants in Water
Abstract
A “sense and shoot” approach has been developed for the photocatalytic degradation of organic contaminants from aqueous solutions. The presence of aromatic compounds such as chlorinated phenols is readily detected from the quenching of visible emission of ZnO semiconductor film. The emission quenching is quantitative and can be analyzed on the basis of adsorption equilibrium between ZnO and organic molecules. High apparent association constant values ( K a = (1−5) × 10 4 M -1 ) make possible the detection of these organic molecules at very low concentration levels. For example, 1 ppm of 4-chlorocatechol in water results in a 15% decrease of ZnO emission. Interestingly, the same ZnO film is capable of degrading aromatic compounds present in water under UV irradiation. The concept of adopting a strategy of simultaneous sensing and degradation in photocatalysis is illustrated in this paper.
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Cites
Environmental applications of semiconductor photocatalysis
Hoffmann, M. R., Martin, S. T., Choi, W., & Bahnemann, D. W. (1995) · Chemical Reviews · doi:10.1021/cr00033a004 · Cited by 18,495
Cited by
A Review of Removal of Pollutants from Water/Wastewater Using Different Types of Nanomaterials
Amin, M. T., Alazba, A. A., & Manzoor, U. (2014) · Advances in Materials Science and Engineering · doi:10.1155/2014/825910 · Cited by 645
Comparelli, R., Fanizza, E., Curri, M. L., Cozzoli, P. D., Mascolo, G., & Agostiano, A. (2005) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2005.02.013 · Cited by 300
Visible Photocatalytic Activity Enhancement of ZnWO4 by Graphene Hybridization
Bai, X., Wang, L., & Zhu, Y. (2012) · ACS Catalysis · doi:10.1021/cs3005852 · Cited by 283
Nanotechnology-based water quality management for wastewater treatment
Madhura, L., Singh, S., Kanchi, S., Sabela, M., Bisetty, K., & Inamuddin (2019) · Environmental Chemistry Letters · doi:10.1007/s10311-018-0778-8 · Cited by 167
Photodegradation of haloacetic acids in water
Lifongo, L. L., Bowden, D. J., & Brimblecombe, P. (2004) · Chemosphere · doi:10.1016/j.chemosphere.2003.11.006 · Cited by 78
Metadata
- Authors
- Kamat, P. V., Huehn, R., & Nicolaescu, R.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-12-15
- Volume
- 106
- Issue
- 4
- Pages
- 788-794
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2041694430
- Cited by
- 284
- References
- 1
- FWCI
- 5.52
- Type
- journal article
- Language
- en
- Open access
- closed
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